889666-28-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 889666-28-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,9,6,6 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 889666-28:
(8*8)+(7*8)+(6*9)+(5*6)+(4*6)+(3*6)+(2*2)+(1*8)=258
258 % 10 = 8
So 889666-28-8 is a valid CAS Registry Number.